Step out of your comfort zone: Justin Bieber to fans

Los Angeles: Pop star Justin Bieber has taken to social media to encourage his fans to find their true "meaning" and "purpose" in life and not be afraid to ask questions.

The 22-year-old singer reached out to his 73.6 million followers to offer some words of wisdom on how to live life to full with no explanation for what prompted him to "ponder" on the meaning of life.

In a lengthy note posted on his Instagram account, he wrote, "It's crazy how some people don't even question or ponder the reason for their existence and are ok going through the motions. We don't live to die.

"We have purpose and meaning! Step out of your comfort zone and challenge your friends by asking those tough questions. Like what do you think the meaning of life is? What do you think your purpose is? (sic)," he said.